CN1961556B - 使用qpsk调制生成较高阶调制 - Google Patents

使用qpsk调制生成较高阶调制 Download PDF

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Publication number
CN1961556B
CN1961556B CN2005800176065A CN200580017606A CN1961556B CN 1961556 B CN1961556 B CN 1961556B CN 2005800176065 A CN2005800176065 A CN 2005800176065A CN 200580017606 A CN200580017606 A CN 200580017606A CN 1961556 B CN1961556 B CN 1961556B
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CN
China
Prior art keywords
qpsk
modulation
constellation point
order modulation
modulating device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2005800176065A
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English (en)
Chinese (zh)
Other versions
CN1961556A (zh
Inventor
日伊尔基·芒特伊拉
里斯托·阿拉萨阿勒拉
塔皮奥·M·埃克基拉
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Nokia Technologies Oy
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Nokia Oyj
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Publication date
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Publication of CN1961556A publication Critical patent/CN1961556A/zh
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Publication of CN1961556B publication Critical patent/CN1961556B/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/362—Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transmitters (AREA)
CN2005800176065A 2004-04-14 2005-03-14 使用qpsk调制生成较高阶调制 Expired - Fee Related CN1961556B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP04008868 2004-04-14
EP04008868.4 2004-04-14
PCT/IB2005/000636 WO2005101781A1 (fr) 2004-04-14 2005-03-14 Modulation d'ordre superieur par modulations qpsk

Publications (2)

Publication Number Publication Date
CN1961556A CN1961556A (zh) 2007-05-09
CN1961556B true CN1961556B (zh) 2010-11-03

Family

ID=34962729

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2005800176065A Expired - Fee Related CN1961556B (zh) 2004-04-14 2005-03-14 使用qpsk调制生成较高阶调制

Country Status (7)

Country Link
US (1) US7680213B2 (fr)
EP (1) EP1735982B1 (fr)
CN (1) CN1961556B (fr)
AT (1) ATE466439T1 (fr)
DE (1) DE602005020918D1 (fr)
PL (1) PL1735982T3 (fr)
WO (1) WO2005101781A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080118003A1 (en) * 2002-11-13 2008-05-22 Industrial Technology Research Institute Enhanced Wireless Communication System and Method Thereof
CN101547182B (zh) * 2009-04-17 2011-07-20 北京大学 一种qam星座图的映射和解映射方法
WO2012139295A1 (fr) 2011-04-14 2012-10-18 Alcatel Lucent Procédé et appareil pour mettre en œuvre des techniques de modulation d'ordre supérieur à l'aide de modulateurs d'ordre inférieur
WO2014136726A1 (fr) 2013-03-04 2014-09-12 三菱電機株式会社 Appareil de transmission, appareil de réception, et système de communication
CN105009490B (zh) 2013-03-13 2018-07-24 三菱电机株式会社 发送装置、接收装置以及通信系统
EP2819327B1 (fr) * 2013-06-28 2018-04-11 Alcatel Lucent Procédé de transmission optique de données utilisant le multiplexage de division de polarisation et QPSK

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571549A (en) * 1983-01-07 1986-02-18 Societe Anonyme De Telecommunications 16-QAM Modulator with PLL amplification devices
US5237292A (en) * 1992-07-01 1993-08-17 Space Systems/Loral Quadrature amplitude modulation system with compensation for transmission system characteristics
US6674811B1 (en) * 2000-06-14 2004-01-06 Northrop Grumman Corporation Efficient pre-distorted 12/4 QAM modulator

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2622376B1 (fr) * 1987-10-21 1990-01-26 Verdot Georges Modulateur par deplacement de phase a quatre etats, notamment pour modulation d'amplitude a deux porteuses en quadrature a grand nombre d'etats
US5463355A (en) * 1994-07-15 1995-10-31 Loral Aerospace Corp. Wideband vector modulator which combines outputs of a plurality of QPSK modulators
US5612651A (en) 1996-01-02 1997-03-18 Loral Aerospace Corp. Modulating array QAM transmitter
US5815531A (en) * 1996-06-12 1998-09-29 Ericsson Inc. Transmitter for encoded data bits
US5867071A (en) * 1997-08-15 1999-02-02 Lockheed Martin Aerospace Corp. High power transmitter employing a high power QAM modulator
US7079585B1 (en) * 1999-11-23 2006-07-18 Thomson Licensing Gray encoding for hierarchical QAM transmission systems
US6593827B2 (en) * 2001-11-16 2003-07-15 Lockheed Martin Corporation Modulating array transmitter autocalibration method and system
WO2003053021A1 (fr) 2001-12-18 2003-06-26 Nokia Corporation Procede et systeme de production de modulations d'ordre superieur avec modulateur mdpq
US7065153B2 (en) * 2002-02-06 2006-06-20 The Boeing Company High speed monolithic microwave integrated circuit (MMIC) quadrature phase shift keying (QPSK) and quadrature amplitude modulation (QAM) modulators
EP1418723A1 (fr) 2002-11-05 2004-05-12 Siemens Aktiengesellschaft Procédé de modulation d'un flux de donées binaires
US7078981B2 (en) * 2004-07-27 2006-07-18 Lucent Technologies Inc. 16 QAM modulator and method of 16 QAM modulation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571549A (en) * 1983-01-07 1986-02-18 Societe Anonyme De Telecommunications 16-QAM Modulator with PLL amplification devices
US5237292A (en) * 1992-07-01 1993-08-17 Space Systems/Loral Quadrature amplitude modulation system with compensation for transmission system characteristics
US6674811B1 (en) * 2000-06-14 2004-01-06 Northrop Grumman Corporation Efficient pre-distorted 12/4 QAM modulator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
US 6674811 B1,说明书第1栏第45行-第65行，第4栏第55行-第8栏第42行，附图1-3.

Also Published As

Publication number Publication date
PL1735982T3 (pl) 2010-10-29
US7680213B2 (en) 2010-03-16
DE602005020918D1 (de) 2010-06-10
US20050232374A1 (en) 2005-10-20
EP1735982B1 (fr) 2010-04-28
ATE466439T1 (de) 2010-05-15
CN1961556A (zh) 2007-05-09
WO2005101781A1 (fr) 2005-10-27
EP1735982A1 (fr) 2006-12-27

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Effective date of registration: 20160113

Address after: Espoo, Finland

Patentee after: Technology Co., Ltd. of Nokia

Address before: Espoo, Finland

Patentee before: Nokia Oyj

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101103

Termination date: 20170314

CF01 Termination of patent right due to non-payment of annual fee